From 5c13f042e73200b50573ace63e1a6b94e2917616 Mon Sep 17 00:00:00 2001 From: Joey Gouly Date: Fri, 10 Dec 2021 16:54:30 +0000 Subject: arm64: cpufeature: add HWCAP for FEAT_AFP Add a new HWCAP to detect the Alternate Floating-point Behaviour feature (FEAT_AFP), introduced in Armv8.7. Also expose this to userspace in the ID_AA64MMFR1_EL1 feature register. Signed-off-by: Joey Gouly Cc: Will Deacon Acked-by: Marc Zyngier Link: https://lore.kernel.org/r/20211210165432.8106-2-joey.gouly@arm.com Signed-off-by: Catalin Marinas --- arch/arm64/include/asm/hwcap.h | 1 + 1 file changed, 1 insertion(+) (limited to 'arch/arm64/include/asm/hwcap.h') diff --git a/arch/arm64/include/asm/hwcap.h b/arch/arm64/include/asm/hwcap.h index b100e0055eab..2809df2fdd63 100644 --- a/arch/arm64/include/asm/hwcap.h +++ b/arch/arm64/include/asm/hwcap.h @@ -106,6 +106,7 @@ #define KERNEL_HWCAP_BTI __khwcap2_feature(BTI) #define KERNEL_HWCAP_MTE __khwcap2_feature(MTE) #define KERNEL_HWCAP_ECV __khwcap2_feature(ECV) +#define KERNEL_HWCAP_AFP __khwcap2_feature(AFP) /* * This yields a mask that user programs can use to figure out what -- cgit v1.2.3